Home / 30,055.44-45,087.60-9,274.08

Finding the Fourth Proportional to 30,055.44, 45,087.60 and 9,274.08

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Solution

The fourth proportional to 30,055.44, 45,087.60 and 9,274.08 is: 13,912.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,055.44 : 45,087.60 = 9,274.08 : x
  2. Step 2: Convert to fraction form
    30,055.44/45,087.60 = 9,274.08/x
  3. Step 3: Cross multiply
    30,055.44x = 45,087.60 × 9,274.08
  4. Step 4: Simplify right side
    30,055.44x = 418,146,009.41
  5. Step 5: Solve for x
    x = 418,146,009.41/30,055.44
  6. Step 6: Final answer
    x = 13,912.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.